Numbers of words on alphabet {0,1,...,7} with no subwords ii, where i is from {0,1,2,3}.

A254658

Numbers of words on alphabet {0,1,...,7} with no subwords ii, where i is from {0,1,2,3}.

Terms

    a(0) =1a(1) =8a(2) =60a(3) =452a(4) =3404a(5) =25636a(6) =193068a(7) =1454020a(8) =10950412a(9) =82468964a(10) =621084396a(11) =4677466628a(12) =35226603980a(13) =265296094372

External references